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  #1  
Old 05-01-2010, 02:55 PM
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Default gas flow MMscf/day = MSm3/day

is it the same?
std. cubic feet in imperial units, M is mega (1000) so MM (1000*1000) = million
metric SI units, the prefix M is mega with a factor of 10^6 = million
but again I am seeing field units in metric million as MMSm3/day

Any ideas? thanks
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  #2  
Old 05-01-2010, 03:48 PM
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Default Re: gas flow MMscf/day = MSm3/day

Quote:
Originally Posted by Unregistered View Post
is it the same?
std. cubic feet in imperial units, M is mega (1000) so MM (1000*1000) = million
metric SI units, the prefix M is mega with a factor of 10^6 = million
but again I am seeing field units in metric million as MMSm3/day

Any ideas? thanks
It certainly isn't proper SI, so it must be a unit made up by the gas company and you'll have to ask them what they mean by it.

In the SI, qualifiers like S for standard or N for normal can't be mixed with unit symbols (although it is a VERY common misuse.) A prefix may not be used alone and attaches to the unit, so Mm≥ would be cubic megameters. (I am sure that is not their intent). Roman numerals are never used.

If you want to indicate a million cubic meters, you could use cubic hectometers hm≥

However, I asked NIST a similar question a few years ago, and they recommended not using "standard" or "normal" gas volumes at all, but to use moles instead, with an appropriate prefix.
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  #3  
Old 04-08-2011, 03:46 AM
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Default Re: gas flow MMscf/day = MSm3/day

1 mmscf= .028 mmscm
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  #4  
Old 05-18-2011, 05:55 PM
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Thumbs down Re: gas flow What is KSm3/d & m3Vn

And so what is KSM3/D. Is it different from the MSM3/D which I understand means million cubic meter per day.
What does the unit M3Vn mean
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  #5  
Old 06-16-2011, 05:06 AM
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Default Re: gas flow MMscf/day = MSm3/day

Afraid you have "Mega" defined incorrectly.

M or Mega is 10^6, or 1,000,000
k or kilo is 10^3, or 1,000

For the record:
m is milli, 10^-3, or 0.001 (1/1,000)

Problem is that m also means metres.
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  #6  
Old 04-17-2012, 11:07 PM
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Default Re: gas flow MMscf/day = MSm3/day

MMscf/day = MSm3/day

The M in the meters is probably Mega (10^6)
the MM in cf is probably form the roman MM = 10^6
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  #7  
Old 11-29-2012, 01:57 AM
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Default Re: gas flow MMscf/day = MSm3/day

From Schlumberger:

MMscf

1. n. [Production Testing] ID: 11227

Abbreviation for million standard cubic feet, a common measure for volume of gas. Standard conditions are normally set at 60oF and 14.7 psia.

See: million standard cubic feet
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